高强钢的焊接

利用透射电子显微镜对含钛低合金高强钢的焊接热影响区（HAZ）晶内铁素体（IGF）的形核机理进行了试验研究。

The nature and mechanism of nucleation of intra-granular ferrite ( IGF ) in heat-affected zone ( HAZ ) of Ti-bearing HSLA steels are investigated with transmission electronic microscopy ( TEM ) .

研究了重型吊车梁用D36低合金高强钢的焊接性。

The paper investigates the weldability of D36 HSLA steel used for heavy crane beams .

分析了D6AC超高强钢的焊接性，采用细丝双弧焊接方法，进行D6AC超高强钢的双弧焊接工艺试验研究。

The weldability of D6AC ultra high strength steel is analyzed , and the fundamental of tandem sequence submerged arc welding with thin wire is introduced .

采用热影响区最高硬度试验、斜Y型坡口裂纹试验及焊接线能量的测试等手段研究了板厚分别为20mm及42mm的800MPa高强钢的焊接性。

The weldability of 800 MPa high strength steel has been studied with 20 mm and 42 mm thickness plates by the maximum hardness test of heat-affected zone , Y slit cracking test and the test of weld energy input etc.

用于相同强度等级的低合金高强钢的焊接。

For welding low-alloy and high strength steel with corresponding strength grade .

本论文针对低合金高强钢的焊接特点，提出了基于电磁热力耦合控制焊接冷裂纹的新工艺。

According to the characteristic of HSLA welding , a new process , welding with hybrid electromagnetic induction heating and electromagnetic impacting ( WEHI ) has been proposed in this paper .

在厚板低合金高强钢的焊接中，与采用高组配焊条相比，用低组配焊条能有效的降低为防止由第一道焊道所引起的焊根裂纹所需要的予热温度。

As compared with overmatching electrodes , the undermatching ones effectively lower the preheating temperature required for preventing root crack caused by the first-pass welding on heavy plates of low alloy high strength structural steels .

为加快国内厚煤层高产高效生产的发展，煤炭开采对液压支架的设计研制技术提出更高要求，尤其在液压支架用高强钢的焊接技术方面。

In order to enhance development of efficient and productive thick seams mining , minery posed high requirements to the design and fabrication of hydraulic support , especially the welding technology of high strength low alloy steels .

文章着重介绍钢材选择和几点具有特色的设计经验，如高强钢的焊接、管身排水措施、钢管固结与回填灌浆、钢管内壁涂装等。

This article mainly introduces selections of steel and several characteristic design experiences , such as welding of high strength steel , dewatering measure of the penstock , its consolidation and backfilling grouting , and coating on its inside wall .

通过大量试验，我们得到主要结论是：使用特种焊丝焊接时声音柔和，电弧稳定，熔滴过渡顺利，焊缝成型好，故特种焊丝更适合用于超高强钢的焊接。

On the base of much experiment , we get the main conclusion are : the special wires have soft welding voice 、 stable arc 、 smooth metal transfer and better welding seam forming , so that the special wires are more suitable for ultra-high strength steel welding .

高强管线钢的焊接性及其焊接接头的耐腐蚀性

Weldability and welding joints ' corrosion resistance of high strength pipeline steels

高强钢叶轮的焊接

Welding for high strength steel wheel of air blower

本文简要介绍水轮机座环蜗壳组合缝的焊接工艺、焊接质量控制及组合缝焊接前所进行的焊接工艺评定，可为其它大型电站类似高强钢部件的焊接提供借鉴。

This paper gives a brief introduction to the evaluation of the welding and composite joint welding technology and quality control of the trubine stay ring spiral-case , which can be used for reference in welding similar high strength steel components for other large hydropower stations .

低合金高强钢特厚板的焊接，由于焊接应力的影响，在控制缺陷和变形方面都比较困难。

For welding the extra thick plate of low alloy high strength steel , due to the influence of welding stress , it relatively difficulty for controlling the defect and deformation .

高强钢焊条的研制及焊接工艺试验

Development of Covered Electrode for High Strength Steel and Its Technology Test of Weld

调质高强钢设备的制造与焊接加氢裂化装置反应器吊梁的设计制造及吊装过程测试

Fabrication and Welding of Quenched and Tempered Steel Equipment Design and Fabrication of Beam for Lifting Hydrogen-cracking Reactor